feat: start and get game API #115

packages/backend/app/src/main/java/tw/waterballsa/gaas/citadels/app/repositories/GameRepository.java

@@ -0,0 +1,12 @@
+package tw.waterballsa.gaas.citadels.app.repositories;
+
+import tw.waterballsa.gaas.citadels.domain.CitadelsGame;
+
+import java.util.Optional;
+
+public interface GameRepository {
+
+    CitadelsGame createGame(CitadelsGame citadelsGame);
+
+    Optional<CitadelsGame> findGameById(String gameId);
+}

packages/backend/app/src/main/java/tw/waterballsa/gaas/citadels/app/usecases/GetGameUseCase.java

@@ -0,0 +1,38 @@
+package tw.waterballsa.gaas.citadels.app.usecases;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import tw.waterballsa.gaas.citadels.app.repositories.GameRepository;
+import tw.waterballsa.gaas.citadels.domain.CitadelsGame;
+import tw.waterballsa.gaas.citadels.exceptions.NotFoundException;
+
+import javax.inject.Named;
+import java.util.Optional;
+
+@Named
+@RequiredArgsConstructor
+public class GetGameUseCase {
+
+    private final GameRepository gameRepository;
+
+    public void execute(String gameId, Presenter presenter) {
+        CitadelsGame citadelsGame = findGameById(gameId);
+        presenter.setGame(citadelsGame);
+    }
+
+    private CitadelsGame findGameById(String gameId) {
+        Optional<CitadelsGame> game = gameRepository.findGameById(gameId);
+        return game.orElseThrow(() -> new NotFoundException("CAN NOT FIND GAME, ID=" + gameId));
+    }
+
+    @Data
+    @AllArgsConstructor
+    public static class Request {
+        private String gameId;
+    }
+
+    public interface Presenter {
+        void setGame(CitadelsGame citadelsGame);
+    }
+}

packages/backend/app/src/main/java/tw/waterballsa/gaas/citadels/app/usecases/StartGameUseCase.java

@@ -0,0 +1,104 @@
+package tw.waterballsa.gaas.citadels.app.usecases;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import tw.waterballsa.gaas.citadels.app.repositories.GameRepository;
+import tw.waterballsa.gaas.citadels.domain.BuildingCard;
+import tw.waterballsa.gaas.citadels.domain.RoleCard;
+import tw.waterballsa.gaas.citadels.domain.CitadelsGame;
+import tw.waterballsa.gaas.citadels.domain.Player;
+
+import javax.inject.Named;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.stream.IntStream;
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.*;
+
+
+@Named
+@RequiredArgsConstructor
+public class StartGameUseCase {
+
+    private final GameRepository gameRepository;
+
+    public void execute(Request request, Presenter presenter) {
+        CitadelsGame citadelsGame = createGame(request);
+        presenter.setGame(gameRepository.createGame(citadelsGame));
+    }
+
+    private CitadelsGame createGame(Request request) {
+        List<Player> players = getPlayers(request.getPlayers());
+        List<RoleCard> roleCards = getRoleCards();
+        List<BuildingCard> buildingCards = getBuildingCards();
+        CitadelsGame citadelsGame = new CitadelsGame(players, roleCards, buildingCards);
+        citadelsGame.start();
+        return citadelsGame;
+    }
+
+    private List<RoleCard> getRoleCards() {
+        return Arrays.asList(new RoleCard(1, "刺客"),
+                new RoleCard(2, "小偷"),
+                new RoleCard(3, "魔術師"),
+                new RoleCard(4, "國王"),
+                new RoleCard(5, "住持"),
+                new RoleCard(6, "商人"),
+                new RoleCard(7, "建築師"),
+                new RoleCard(8, "領主"));
+    }
+
+    private List<Player> getPlayers(List<UserRequest> playerIds) {
+        return playerIds.stream()
+                .map(user -> new Player(user.getId(), user.getName(), user.getImageName()))
+                .collect(toList());
+    }
+
+    public interface Presenter {
+        void setGame(CitadelsGame citadelsGame);
+    }
+
+    @Data
+    @Builder
+    @AllArgsConstructor
+    public static class Request {
+        public String roomId;
+        public String roomName;
+        public String holderId;
+        public List<UserRequest> players;
+    }
+
+    @Data
+    @AllArgsConstructor
+    public static class UserRequest {
+        public String id;
+        public String name;
+        public String imageName;
+    }
+
+    private List<BuildingCard> getBuildingCards() {
+        List<BuildingCard> cards = new ArrayList<>();
+        Stream.of(
+                        getBuildingCards(BuildingCard.Color.YELLOW, 12),
+                        getBuildingCards(BuildingCard.Color.BLUE, 11),
+                        getBuildingCards(BuildingCard.Color.GREEN, 11),
+                        getBuildingCards(BuildingCard.Color.RED, 11),
+                        getBuildingCards(BuildingCard.Color.PURPLE, 30)
+                )
+                .flatMap(Collection::stream)
+                .forEach(cards::add);
+
+        return cards;
+    }
+
+    private List<BuildingCard> getBuildingCards(BuildingCard.Color color, int count) {
+        return IntStream.range(0, count)
+                .mapToObj(i -> new BuildingCard("card name", 2, color))
+                .collect(toList());
+    }
+
+}

packages/backend/domain/src/main/java/tw/waterballsa/gaas/citadels/domain/BuildingCard.java

@@ -0,0 +1,27 @@
+package tw.waterballsa.gaas.citadels.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class BuildingCard {
+    private String name;
+    private int coins;
+    private Color color;
+
+    public enum Color {
+        PURPLE("特別地區"),
+        YELLOW("貴族地區"),
+        RED("軍事地區"),
+        BLUE("商業地區"),
+        GREEN("宗教地區");
+        private final String area;
+
+        Color(String area) {
+            this.area = area;
+        }
+    }
+
+}
+

packages/backend/domain/src/main/java/tw/waterballsa/gaas/citadels/domain/CitadelsGame.java

@@ -0,0 +1,70 @@
+package tw.waterballsa.gaas.citadels.domain;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import static java.util.UUID.randomUUID;
+
+public class CitadelsGame {
+    private final String id;
+    private final List<Player> players;
+    private final List<RoleCard> roleCards;
+    private final List<BuildingCard> buildingCards;
+    public static final Integer DEFAULT_COINS = 2;
+    public static final Integer DEFAULT_CARD_QUANTITY = 2;
+
+    public CitadelsGame(List<Player> players, List<RoleCard> roleCards, List<BuildingCard> buildingCards) {
+        this.id = randomUUID().toString();
+        this.players = players;
+        this.roleCards = roleCards;
+        this.buildingCards = buildingCards;
+    }
+
+    public CitadelsGame(String id, List<Player> players, List<RoleCard> roleCards, List<BuildingCard> buildingCards) {
+        this.id = id;
+        this.players = players;
+        this.roleCards = roleCards;
+        this.buildingCards = buildingCards;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public List<Player> getPlayers() {
+        return List.copyOf(players);
+    }
+
+    public List<BuildingCard> getBuildingCards() {
+        return List.copyOf(buildingCards);
+    }
+
+    public List<RoleCard> getRoleCards() {
+        return List.copyOf(roleCards);
+    }
+
+    public void randomlyAwardCrownToOnePlayer() {
+        Collections.shuffle(players);
+        Player kingPlayer = players.get(0);
+        kingPlayer.acquireCrown();
+    }
+
+    public void start() {
+        randomlyAwardCrownToOnePlayer();
+        distributingCardsAndCoinsToEachPlayer();
+    }
+
+    private void distributingCardsAndCoinsToEachPlayer() {
+        players.forEach(player -> {
+            player.plusCards(getTwoCards());
+            player.plusCoins(2);
+        });
+
+    }
+
+    public List<BuildingCard> getTwoCards() {
+        return Arrays.asList(new BuildingCard("test", 3, BuildingCard.Color.BLUE), new BuildingCard("test", 2, BuildingCard.Color.BLUE));
+    }
+
+}

packages/backend/domain/src/main/java/tw/waterballsa/gaas/citadels/domain/Player.java

@@ -0,0 +1,39 @@
+package tw.waterballsa.gaas.citadels.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import java.util.*;
+
+
+@Getter
+@AllArgsConstructor
+public class Player {
+    private String id;
+    private String name;
+    private String imageName;
+    private Integer coins;
+    private List<BuildingCard> buildingCards;
+    private RoleCard roleCard;
+    private Boolean hasCrown;
+    static final int DEFAULT_COIN = 0;
+
+    public Player(String id, String name, String image) {
+        this(id, name, image, DEFAULT_COIN, new ArrayList<>(), null, null);
+    }
+
+    public void removeCrown() {
+        hasCrown = false;
+    }
+
+    public void acquireCrown() {
+        hasCrown = true;
+    }
+
+    public void plusCoins(Integer coins) {
+        this.coins = this.coins + coins;
+    }
+
+    public void plusCards(List<BuildingCard> buildingCardList) {
+        buildingCards.addAll(buildingCardList);
+    }
+}

packages/backend/domain/src/main/java/tw/waterballsa/gaas/citadels/domain/RoleCard.java

@@ -0,0 +1,11 @@
+package tw.waterballsa.gaas.citadels.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class RoleCard {
+    private int sequence;
+    private String name;
+}

packages/backend/spring/pom.xml

@@ -13,7 +13,7 @@
 	<artifactId>citadels-backend</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
 	<name>citadels-backend</name>
-	<description>gaas citadels game web</description>
+	<description>gaas citadels citadelsGame web</description>
 
 	<properties>
 		<java.version>17</java.version>

packages/backend/spring/src/main/java/tw/waterballsa/gaas/citadels/spring/controllers/CreateRoomController.java

@@ -21,6 +21,7 @@
 @AllArgsConstructor
 @RequestMapping(value = "/api/citadels")
 public class CreateRoomController {
+
     private final CreateRoomUseCase createRoomUseCase;
 
     @PostMapping("/room")